Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424601 | Magneto-optical recording media having an auxiliary magnetic layer | Satoru Oonuki, Masafumi Yoshihiro, Nobuyuki Nagai, Katsusuke Shimazaki, Hiroyuki Awano +3 more | 2002-07-23 |
| 6400653 | Information recording/reproducing apparatus to record/reproduce information on a recording medium recorded with an address mark | Kenji Torazawa, Kenji Asano, Yoshiharu Uchihara, Noboru Mamiya, Toshiaki Hioki | 2002-06-04 |
| 6385158 | Optical pickup device having compatibility with tracking system, and optical disk recording/reproduction apparatus using the same | Naoyuki Takagi | 2002-05-07 |